明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而(ér )出，接连(lián )铲(chǎn )除东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )